公开(公告)号：US10090947B2

公开(公告)日：2018-10-02

申请号：US15708607

申请日：2017-09-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xianfeng Li ,  Yanzhao Pang

IPC: H04B17/336 ,  H04L1/20 ,  H04B1/10

Abstract: A receiving device and signal processing method, the method including monitoring quality parameters of N received signals in real time, wherein the N received signals are obtained by N receive antennas from a same transmit antenna, predicting, according to the quality parameters, whether quality of a first combined signal that is obtained after combination processing is performed on the N received signals is superior to quality of a received signal whose quality is optimal in the N received signals, determining the first combined signal as a to-be-processed signal in response to predicting that the quality of the first combined signal is superior to the quality of the received signal, and determining a to-be-processed signal according to M received signals of the N received signals in response to predicting that the quality of the first combined signal is inferior to the quality of the received signal.

公开(公告)号：US20180006744A1

公开(公告)日：2018-01-04

申请号：US15708607

申请日：2017-09-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xianfeng Li ,  Yanzhao Pang

IPC: H04B17/336 ,  H04L1/20 ,  H04B1/10

CPC classification number: H04B17/336 ,  H04B1/1027 ,  H04B7/08 ,  H04L1/203

Abstract: A receiving device and signal processing method, the method including monitoring quality parameters of N received signals in real time, wherein the N received signals are obtained by N receive antennas from a same transmit antenna, predicting, according to the quality parameters, whether quality of a first combined signal that is obtained after combination processing is performed on the N received signals is superior to quality of a received signal whose quality is optimal in the N received signals, determining the first combined signal as a to-be-processed signal in response to predicting that the quality of the first combined signal is superior to the quality of the received signal, and determining a to-be-processed signal according to M received signals of the N received signals in response to predicting that the quality of the first combined signal is inferior to the quality of the received signal.

公开(公告)号：US20140173143A1

公开(公告)日：2014-06-19

申请号：US14186960

申请日：2014-02-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hai Li ,  Huaping Shi ,  Yanzhao Pang ,  Christian Mazzucco ,  Sergio Bianchi ,  Xianfeng Li

IPC: H04L12/801

CPC classification number: H04L47/10 ,  H04L25/49 ,  H04L27/38

Abstract: The present invention relates to the field of communications technologies and discloses a data processing method and apparatus to obtain a DPD non-linear distortion compensation coefficient under a QPSK mode. The embodiments of the present invention receive a first data flow, and perform interpolation into the first data flow to obtain a second data flow; receive a third data flow, and calculate a data flow signal quality difference between the third data flow and the second data flow; and obtain a DPD non-linear distortion compensation coefficient according to the data flow signal quality difference and the third data flow or the second data flow. The embodiments of the present invention are applicable to the scenarios of obtaining a DPD non-linear distortion compensation coefficient in QPSK mode.

Abstract translation: 本发明涉及通信技术领域，并公开了一种在QPSK模式下获得DPD非线性失真补偿系数的数据处理方法和装置。 本发明的实施例接收第一数据流，并对第一数据流执行内插以获得第二数据流; 接收第三数据流，并计算第三数据流和第二数据流之间的数据流信号质量差; 并根据数据流信号质量差和第三数据流或第二数据流获得DPD非线性失真补偿系数。 本发明的实施例可应用于在QPSK模式中获得DPD非线性失真补偿系数的情况。

公开(公告)号：US09178825B2

公开(公告)日：2015-11-03

申请号：US14186960

申请日：2014-02-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hai Li ,  Huaping Shi ,  Yanzhao Pang ,  Christian Mazzucco ,  Sergio Bianchi ,  Xianfeng Li

IPC: H04L7/00 ,  H04L12/801 ,  H04L25/49 ,  H04L27/38

CPC classification number: H04L47/10 ,  H04L25/49 ,  H04L27/38

Abstract: The present invention relates to the field of communications technologies and discloses a data processing method and apparatus to obtain a DPD non-linear distortion compensation coefficient under a QPSK mode. The embodiments of the present invention receive a first data flow, and perform interpolation into the first data flow to obtain a second data flow; receive a third data flow, and calculate a data flow signal quality difference between the third data flow and the second data flow; and obtain a DPD non-linear distortion compensation coefficient according to the data flow signal quality difference and the third data flow or the second data flow. The embodiments of the present invention are applicable to the scenarios of obtaining a DPD non-linear distortion compensation coefficient in QPSK mode.

Abstract translation: 本发明涉及通信技术领域，并公开了一种在QPSK模式下获得DPD非线性失真补偿系数的数据处理方法和装置。 本发明的实施例接收第一数据流，并对第一数据流执行内插以获得第二数据流; 接收第三数据流，并计算第三数据流和第二数据流之间的数据流信号质量差; 并根据数据流信号质量差和第三数据流或第二数据流获得DPD非线性失真补偿系数。 本发明的实施例可应用于在QPSK模式中获得DPD非线性失真补偿系数的情况。

公开(公告)号：US09048795B2

公开(公告)日：2015-06-02

申请号：US14198919

申请日：2014-03-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jun Li ,  Xianfeng Li ,  Yanzhao Pang

IPC: H04K1/02 ,  H03F1/32

CPC classification number: H03F1/3241 ,  H03F1/3247 ,  H03F1/3294 ,  H03F3/195 ,  H03F3/245 ,  H03F2200/336 ,  H04L27/368

Abstract: An apparatus for signal bandwidth compensation is disclosed. The apparatus includes: a digital predistortion filtering unit, a compensation filter, a conversion unit, and a power amplifier; where the digital predistortion filtering unit receives an original signal, performs predistortion processing on the original signal; the compensation filter receives the predistortion signal, compensates for distortion caused during a process of transmitting the predistortion signal to the power amplifier, and outputs a compensated predistortion signal to the conversion unit; the conversion unit receives the compensated predistortion signal, converts the compensated predistortion signal into an analog signal, performs frequency mixing processing, and outputs a predistortion signal experiencing the frequency mixing to the power amplifier; the power amplifier receives the predistortion signal experiencing the frequency mixing, amplifies the predistortion signal experiencing the frequency mixing, and outputs an amplified signal.

Abstract translation: 公开了一种用于信号带宽补偿的装置。 该装置包括：数字预失真滤波单元，补偿滤波器，转换单元和功率放大器; 其中数字预失真滤波单元接收原始信号，对原始信号执行预失真处理; 补偿滤波器接收预失真信号，补偿在将预失真信号发送到功率放大器的过程中引起的失真，并将补偿的预失真信号输出到转换单元; 转换单元接收经补偿的预失真信号，将经补偿的预失真信号转换为模拟信号，进行混频处理，并将经频率混频的预失真信号输出到功率放大器; 功率放大器接收经历频率混合的预失真信号，放大经历频率混合的预失真信号，并输出放大的信号。